This is the fourth situational update on the status of rising flood waters between the cities of Thatta and Sujawal, in Thatta district based on a time series of MODIS satellite data recorded 29 August at 09:10 UTC. There has been a major expansion of flood water on eastern bank of the Indus river, threatening the towns of Thatta and Sujawal. Water has advanced. The flood waters have advanced over 14km at its furthest point between August 28 - 29; threatening to surround the city of Sujawal which remains at high risk. Sections of route N-5 north of Thatta remain likely flooded; the towns of Bannu and Daro on the eastern bank of the Indus also remain threatened. Due to cloud cover over the region, more recent imagery has not been processed over this area. This situational analysis is based on a rapid visual assessment of the current satellite data available over this area and will be revised and updated as new data becomes available; this analysis has not yet been validated in the field. Please send ground feedback to UNITAR / UNOSAT. Map scale for A4: 1:400,000; Projection: UTM Zone 42N; Datum: WGS-84.